https://www.youtube.com/watch?v=wRjlVIC9jSI&t=288s

From the above video, this artwork was shown

As we can see it’s a Level 4 FIRE Normal Monster with 1500 ATK and 0 DEF, but name, flavor text and Type are unknown. It also seems to be visually based on Bean Soldier.

The Kanji on its sword should read 焼, which means “Bake”, “Roast”, “Burn”, “Grill”